Study of Size Effect Using Digital Image Correlation
Resumen
Size effect is na important issue in concrete structures considering that it can influence many aspects of analyis such as strength, fragility and structural ductility, fracture toughness and fracture energy, among others. Parallel to this, ever more new methods are being developed to evaluate displacement fields in structures. In this paper an experimental evaluation of the size effect is performed. To measure displacements on the surface of beams, a Digital Image Correlation (DIC) technique was used. One type of concrete was produced and three point bending test were performed with different notched concrete beams. The results allow a better understanding of the size effect and demonstrate the efficiency of Digital Image Correlation to obtain measures of displacement.
Publicado
2015-06-12
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